hi would it be possible to get https://archives.darenet.org/irc/server ... /m_uline.c this module available for unreal version 4.0.17 at all
I always used to use this module with version 3.8 but since the update have been unable to use it
any one know how this could get updated ?

Constructive criticism leads to evolution and progress. Negative criticism leads to obsolescence. We are not in the 90's IRC world anymore.
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You dont really need to make a Client a U:Line - You can change modes on yourself anyway: /MODE <nick> +-<modes> or /UMODE +-<modes>
As for changing modes on other people, You can as IRCOP, using /SAMODE